STABILITY FOR LIFE ARE PATIENTS COMPLETELY SATISFIED AFTER TOTAL KNEE ARTHROPLASTY? CAN TKA PATIENTS GO DANCING, GOLFING OR ASCEND AND DESCEND STAIRS WITH CONFIDENCE? ARE THEY ABLE TO FORGET THEIR TOTAL KNEE REPLACEMENT? 1 out of 4 patients are not satisfied with conventional Total Knee Arthroplasty[1] Patients expectations are not always met following TKA[2] A forgotten Hip is much more common than a forgotten Knee[3] Mid-flexion instability can compromise the outcome of traditional knee designs[4] Many PS knees are stable only after 70° - 80° of flexion[4] Anterior knee pain and swelling may be associated with instability2 Stability in TKA improves PATIENT SATISFACTION[5] More stable knees are preferred by over 76% of patients: It feels more normal It is stronger on stairs Superior single-leg weight bearing It feels more stable (during flexion and overall) Fewer clunks, pops and clicks